Designed for big sound in a small package. The SUMO headphones let you rock out anywhere from the subway to the studio.
SUMO FEATURES
Engineered to deliver the highest-quality listening experience from your mp3 player, cell phone, or other music device.
Built-in microphone for use with iPhone and other mobile phones.
Includes 4 different ear gel sizes
TECH SPECS
Driver Diameter:...

Once you switch to noise-isolating ear-bud comfort headphones, you'll never switch back! Theres nothing like standing in a noisy crowded subway, oblivious to the amateur trumpet player 10 feet away, because youre listening to your own personal musical symphony in a soundproof block of space.
The silicone sleeves provide a huge upgrade in comfort over traditional in-ear headphones, while...

Designed for big sound in a small package. The SUMO headphones let you rock out anywhere from the subway to the studio.
SUMO FEATURES
Engineered to deliver the highest-quality listening experience from your mp3 player, cell phone, or other music device.
Built-in microphone for use with iPhone and other mobile phones.
Includes 4 different ear gel sizes
TECH SPECS
Driver Diameter:...